Class 4 stardrive vessel
Owner:	United Federation of Planets
Operator:	Merchant Service
Type:	Survey vessel
Active:	23rd century

Class-4 stardrive vessel was the designation for a type of small 23rd century spaceship, utilized by the Federation Merchant Service for the role of survey vessel.

The SS Beagle was a vessel of this type, it had a crew of 47. (TOS: "Bread and Circuses")